201985315

素因数分解:

$5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{21943}}^1$

素因数の和:22218

約数の個数: 16

約数和(自身を含む): 278074368

約数和(自身を除く): 76089053

約数列:

[1, 5, 7, 35, 263, 1315, 1841, 9205, 21943, 109715, 153601, 768005, 5771009, 28855045, 40397063, 201985315]

約数ペア:

[(1, 201985315), (5, 40397063), (7, 28855045), (35, 5771009), (263, 768005), (1315, 153601), (1841, 109715), (9205, 21943)]